monitoring/eventhistory: improve query performance

This takes care of timestamp columns, modifies queries in a way not
depending on db functions, filters are passed through to subqueries
for better performance.

library/Icinga/Data/Db/DbQuery.php

@@ -136,9 +136,9 @@ class DbQuery extends SimpleQuery
                 }
             }
         } else {
-            // TODO: render Filter (Where/like/time...)
             $str .= $this->whereToSql($filter->getColumn(), $filter->getSign(), $filter->getExpression());
         }
+
         return $str;
     }
 
@@ -165,6 +165,12 @@ class DbQuery extends SimpleQuery
         return preg_replace('/\*/', '%', $value);
     }
 
+    protected function timestampForSql($value)
+    {
+        // TODO: do this db-aware
+        return $this->escapeForSql(date('Y-m-d H:i:s', $value));
+    }
+
     public function whereToSql($col, $sign, $expression)
     {
         if ($this->isTimestamp($col)) {

modules/monitoring/library/Monitoring/Backend/Ido/Query/CommentdeletionhistoryQuery.php

@@ -26,6 +26,15 @@ class CommentdeletionhistoryQuery extends IdoQuery
         )
     );
 
+    public function whereToSql($col, $sign, $expression)
+    {
+        if ($col === 'UNIX_TIMESTAMP(h.deletion_time)') {
+            return 'h.deletion_time ' . $sign . ' ' . $this->timestampForSql(strtotime($expression));
+        } else {
+            return parent::whereToSql($col, $sign, $expression);
+        }
+    }
+
     protected function joinBaseTables()
     {
         $this->select->from(

modules/monitoring/library/Monitoring/Backend/Ido/Query/CommenthistoryQuery.php

@@ -26,6 +26,15 @@ class CommenthistoryQuery extends IdoQuery
         )
     );
 
+    public function whereToSql($col, $sign, $expression)
+    {
+        if ($col === 'UNIX_TIMESTAMP(h.comment_time)') {
+            return 'h.comment_time ' . $sign . ' ' . $this->timestampForSql(strtotime($expression));
+        } else {
+            return parent::whereToSql($col, $sign, $expression);
+        }
+    }
+
     protected function joinBaseTables()
     {
         $this->select->from(

modules/monitoring/library/Monitoring/Backend/Ido/Query/DowntimeendhistoryQuery.php

@@ -26,6 +26,15 @@ class DowntimeendhistoryQuery extends IdoQuery
         )
     );
 
+    public function whereToSql($col, $sign, $expression)
+    {
+        if ($col === 'UNIX_TIMESTAMP(h.actual_end_time)') {
+            return 'h.actual_end_time ' . $sign . ' ' . $this->timestampForSql(strtotime($expression));
+        } else {
+            return parent::whereToSql($col, $sign, $expression);
+        }
+    }
+
     protected function joinBaseTables()
     {
         $this->select->from(

modules/monitoring/library/Monitoring/Backend/Ido/Query/DowntimestarthistoryQuery.php

@@ -26,6 +26,15 @@ class DowntimestarthistoryQuery extends IdoQuery
         )
     );
 
+    public function whereToSql($col, $sign, $expression)
+    {
+        if ($col === 'UNIX_TIMESTAMP(h.actual_start_time)') {
+            return 'h.actual_start_time ' . $sign . ' ' . $this->timestampForSql(strtotime($expression));
+        } else {
+            return parent::whereToSql($col, $sign, $expression);
+        }
+    }
+
     protected function joinBaseTables()
     {
         $this->select->from(

modules/monitoring/library/Monitoring/Backend/Ido/Query/EventHistoryQuery.php

@@ -2,6 +2,7 @@
 
 namespace Icinga\Module\Monitoring\Backend\Ido\Query;
 
+use Icinga\Data\Filter\Filter;
 use Zend_Db_Select;
 
 class EventHistoryQuery extends IdoQuery
@@ -21,7 +22,6 @@ class EventHistoryQuery extends IdoQuery
             'service_description' => 'eho.name2 COLLATE latin1_general_ci',
             'object_type'         => "CASE WHEN eho.objecttype_id = 1 THEN 'host' ELSE 'service' END",
             'timestamp'           => 'eh.timestamp',
-            'raw_timestamp'       => 'eh.raw_timestamp', // TODO: remove this as soon as removed from frontends
             'state'               => 'eh.state',
             'attempt'             => 'eh.attempt',
             'max_attempts'        => 'eh.max_attempts',
@@ -40,7 +40,6 @@ class EventHistoryQuery extends IdoQuery
     protected function joinBaseTables()
     {
         $columns = array(
-            'raw_timestamp',
             'timestamp',
             'object_id',
             'type',
@@ -80,14 +79,22 @@ class EventHistoryQuery extends IdoQuery
         return parent::order($columnOrAlias, $dir);
     }
 
-	public function where($condition, $value = null)
-	{
-		$this->requireColumn($condition);
-		foreach ($this->subQueries as $sub) {
-		    $sub->where($condition, $value);
-		}
-		return $this;
-	}
+    public function addFilter(Filter $filter)
+    {
+  	    foreach ($this->subQueries as $sub) {
+		        $sub->applyFilter(clone $filter);
+		    }
+		    return $this;
+    }
+
+	  public function where($condition, $value = null)
+	  {
+		  $this->requireColumn($condition);
+		  foreach ($this->subQueries as $sub) {
+		      $sub->where($condition, $value);
+		  }
+		  return $this;
+	  }
 
     protected function joinHostgroups()
     {

modules/monitoring/library/Monitoring/Backend/Ido/Query/NotificationhistoryQuery.php

@@ -26,6 +26,15 @@ class NotificationhistoryQuery extends IdoQuery
         )
     );
 
+    public function whereToSql($col, $sign, $expression)
+    {
+        if ($col === 'UNIX_TIMESTAMP(n.start_time)') {
+            return 'n.start_time ' . $sign . ' ' . $this->timestampForSql(strtotime($expression));
+        } else {
+            return parent::whereToSql($col, $sign, $expression);
+        }
+    }
+
     protected function joinBaseTables()
     {
         switch ($this->ds->getDbType()) {

modules/monitoring/library/Monitoring/Backend/Ido/Query/StatehistoryQuery.php

@@ -26,6 +26,15 @@ class StatehistoryQuery extends IdoQuery
         )
     );
 
+    public function whereToSql($col, $sign, $expression)
+    {
+        if ($col === 'UNIX_TIMESTAMP(sh.state_time)') {
+            return 'sh.state_time ' . $sign . ' ' . $this->timestampForSql(strtotime($expression));
+        } else {
+            return parent::whereToSql($col, $sign, $expression);
+        }
+    }
+
     protected function joinBaseTables()
     {
         $this->select->from(

modules/monitoring/library/Monitoring/DataView/EventHistory.php

@@ -48,7 +48,6 @@ class EventHistory extends DataView
             'service_description',
             'object_type',
             'timestamp',
-            'raw_timestamp',
             'state',
             'attempt',
             'max_attempts',
@@ -64,7 +63,7 @@ class EventHistory extends DataView
     {
         return array(
             'timestamp' => array(
-                'columns' => array('raw_timestamp'),
+                'columns' => array('timestamp'),
                 'order' => 'DESC'
             )
         );